New Parline: the IPU’s Open Data Platform (beta)
Your one-stop-shop for information about national parliaments




This is a bicameral parliament. Switch to theChamber of Deputies

About parliament

Basic information such as the official name of parliament and details of its structure and leadership. Also includes the current breakdown of MPs by sex and age, and provisions for quotas and reserved seats.

Parliament name
Congreso de la nación (National Congress)
Chamber name
Senado (Senate)
Structure & Status of parliament This field is to indicate lower/upper in the back end.
Upper chamber
Parliamentary term (years)

IPU membership

Affiliation periods
from 1933 to 1965
from 1973 to 1976
from 1984
IPU Geopolitical Group/s IPU Geopolitical Groups: African Group, Arab Group, Asia-Pacific Group, Eurasia Group, Group of Latin America and the Caribbean (GRULAC), Twelve Plus Group.
Group of Latin America and the Caribbean (GRULAC)


Official title The Speaker may for example be known as the Presiding Officer, President, Chairman/Chairperson, etc.
President of the Senate
Marta Gabriela Michetti (Female)
Year of birth
Additional information
Vice-President of the country
See historical data for this field.

Secretary General

Official title This post is most commonly called Secretary General or Clerk. It may also be called Secretary, Head/Chief of the Secretariat, Director General, etc.
Secretary General (Secretario Parlamentario)
Secretary General
Juan Pedro Tunessi (Male)
Notes Additional information about the Secretary General, in particular regarding their term.
10 Dec. 2015 -


Statutory number of members Statutory number of members, as defined in the constitution or other fundamental law.
Principal mode of designation of members
Directly elected members Directly elected by citizens.
Current number of members Number of members who currently hold seats in parliament. May be lower or higher than the statutory number of members.
See historical data for this field. Compare data of this field.
Not available
See historical data for this field.
Statutory number of members per country As defined in the constitution or other fundamental laws. Combines the number of parliamentarians in both chambers in bicameral parliaments.
Population (in thousands) Source: United Nations, World Population Prospects.
See historical data for this field.
Inhabitants per parliamentarian Calculated by dividing the population by the statutory number of parliamentarians.
131,970 See historical data for this field.


Data on the age of parliamentarians is collected at start of the legislature, following the most recent elections. This data is not updated during the legislature.


Number of members, by age
Breakdown of members by age and gender
18 - 20 21 - 30 31 - 40 41 - 45 46 - 50 51 - 60 61 - 70 71 - 80 81 - 90 91 and over Totals per gender
Totals per age interval 0 0 2 10 20 25 12 2 1 0
Total <= 45: 12 Total >= 46: 60
Male 0 0 1 5 9 15 10 1 1 0 42
Female 0 0 1 5 11 10 2 1 0 0 30
Percentage of members, by age
Age as last election or renewalOverallMaleFemale
Percentage of MPs 30 years of age or younger0%0%0%
Percentage of MPs 40 years of age or younger2.78%1.39%1.39%
Percentage of MPs 45 years of age or younger16.67%8.33%8.33%
Members for whom data is available

Reserved seats and quotas

There are reserved seats in parliament for certain groups Reserved seats are a means to ensure the parliamentary representation of certain groups in society.
Electoral quota for women Quotas to promote the representation of women in parliament.
Legislated candidate quotas. For all national elections party electoral lists are required to have a minimum of 30% women candidates with real chances of being elected.
Electoral quota for youth Quotas to promote the representation of youth in parliament.